Tool-guiding device.



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4. PATENTBD APR; 14 1908. No 88 374 Hl Y. BVERBTT. I l Y TOOL GUIDING'DEVICE.

APPLICATION FILED MAYZB. 1907.

2 SHEETS-SHEET Z.

Inventor,

Aftorneys UNITED STATES OFFICE.

HUGH YOUNG EVERETT, OF RENOUS BRIDGE, NEW BRUNSWICK, CANADA, ASSIGNOR TOMARTHA A. EVERETT, OF RENOUS BRIDGE, CANADA.

TOOL-GUIDING DEVICE.

Specification of Letters Patent.

Patented April 14, 1908.

Application led May 25, 1907. Serial No. 375,636.

of the invention, such as will enableothers skilled in the art to whichit appertains to make and use the same.

My invention relates to tool guides.

The object of my invention is to provide an easily removable guide forthe shank of a pneumatically or similarly operated tool.

A further object is'to provide means for supporting the lower end of abarrel of a tool.

My invention consists of the construction, combination and arrangementof parts, as herein illustrated, described and claimed.

Ordinarily, these tools are fitted into the mouth of the barrel of thepneumatic actuating member, and when the lower end of the barrel becomesworn, the eliiciency of the tool becomes impaired. It is to provide aguide for the tool to prevent Wear on the lower end of the barrel, andto thus avoid this difficulty, that my invention is designed. It is alsodesigned to provide means for the insertion of tools of diferent sizesby using p lates having openings therein of different sizes.

In the accom anying drawings, formin part of this app ication, I haveillustrate one form of embodiment of my invention, in which drawingssimilar reference characters designate corresponding parts, and inwhich:

Figure 1 is a side elevation showing the application of my invention tothe lower end of the barrel of a pneumatic actuating device; Fig. 2 is atransverse horizontal section taken approximately on line 2 2 of Fig. 1,looking in the directionindicated by the arrow; Fig.

`3 is an end elevation showing the application of my invention to thelower portion of the barrel of a pneumatic actuating member, Fig. 4 isalongitudinal vertical section taken approximately on line 4 4 of Fig.2, looking in the direction indicated by the arrow; and, Fig. 5 is avertical transverse section taken ap roXimately on line 5-.5 of Fig. 2.

eferring to the drawings, 1 designates a lower su ortin late, rovidedwith ide slots 2 iliufts edges. WlTere the tool isgffsed with means foradjusting the same vertically, these slots are adapted to receivesuitable guides.

The lower end of the barrel 3 of the neumatic actuating mechanism isprovide with a shoulder 4 and a reduced portion 5, ada ted to contactrespectivelywith the shoulder 6 on the plate 1 and to pass through theopening 7 in said plate. li'or the purpose of securing the pneumatictool, bolts 8 are disposed through the plate 1, and are adapted to beconnected to a suitable support, such as a sinilar plate 1 at the upperend of the barrel 3. On its under face the plate 1 is rovided withparallel longitudinal depen ing flanges 9, having on their lower edgesthe inwardly extending lugs A10.

Disposed on the lugs 10 is a guide plate 11, provided with an opening 12of less dimension than the opening 7 in the plate 1, so that it isimpossible for the shank A of the tool to bear against the mouth orlower end of the barrel 3, in the ordinary operation of the tool. Theopening 12 is preferably square because the shank A is generally square,and it is desired to prevent rotation thereof. When a round shank A isused, the squared opening in no way prevents the rotation thereof, butpresents four wearing points only, which is an advantage in thepractical operation of the tool.

The flanges 9 are connected intermediate of their ends by the integralwebs 13, which are also integral with the plate 1 and project downwardto a point above the lugs 10, so as to leave a space between the uppersurface of the lugs 10 and the lower surface of the webs, equal to thethickness of the plate 11.

After the plate 11 is placed in position on the lugs 10, the bolts 14are disposed transversely through the flanges 9 and nuts 15 placedthereon. This construction ermits the ready removal of the plate 1 1 fort ie purposes of repair and removal.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

1. A tool guide comprising a su orting plate having an o ening thereinanlliaving guide slots in its e ge, means for securing the plate, and atool guiding plate provided with an opening therein of less dimensionthan the opening in the supporting plate and disposed in alinementtherewith-and means for seouring said tool guiding plate.

2. A tool guide comprising a supporting plate having an opening thereinand a projecting shoulder, means for securing the plate and a removabletool guiding plate carried by the supporting plate.

3. A tool guide comprising a plate having an opening and provided withdepending flanges, a tool guiding plate dis osed between-the flanges andprovided wit an opening, and means for removably securing the toolguiding plate.

4. A tool guide eomprising a supporting plate having an opening andprovided with depending flanges having inwardly extending lugs7 a toolguiding plate disposed between the fianges on the lugs and provided withan opening, and means for removably securing the tool guiding platebetween the flanges.

5. A tool guide comprising a supporting plate having an opening thereinand provided with depending flanges eonnected by integral webs andprovided with inwardly eX- tended lugs, a tool guiding plate disposed between the flanges on the lugs and beneath the webs and provided with anopening, and

means for removably securing the guiding" lugs, a removable plateprovided. with an .f

opening disposed on the lugs, bolts disposed transversely through theflanges at each end of the removable plate, and nuts on the bolts.

8. A tool guide Comprising a supporting plate with a central openingtherein7 and a tool guiding plate secured under the supporting plate andprovided with an opening in alinement with and of less dimension thanthe opening in the supporting plate.

In witness whereof l have hereunto set my hand in the presence of twowitnesses.

HUGH YOUNG EVERETT.

Witnesses:

GEORGE EVERETT, HERBERT FOLEY,

